Question

1. What do you understand by the term isotopes ?
2. Why do isotopes of an element possess identical chemical properties ?
3. Name the isotope of hydrogen which does not have a neutron in it.​

Answer 1

Answer:

1) Isotope, one of two or more species of atoms of a chemical element with the same atomic number and position in the periodic table and nearly identical chemical behaviour but with different atomic masses and physical properties.

2) Different isotopes of an element generally have the same physical and chemical properties because they have the same numbers of protons and electrons.

3) Hydrogen has no neutron, deuterium has one, and tritium has two neutrons. The isotopes of hydrogen have, respectively, mass numbers of one, two, and three. Their nuclear symbols are therefore 1H, 2H, and 3H. The atoms of these isotopes have one electron to balance the charge of the one proton.

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